setComment-metode

public static void setComment(Comment comment) {

        Connection con = null;
        try {
            con = JDBCConnectionFactory.getNewConnection();
            String sql = "INSERT INTO comments (comments_title, comments_body, comments.student_id, comments.post_id, comments_time_stamp)" + " values (?, ?, ?, ?, NOW())";

            PreparedStatement prep = con.prepareStatement(sql);
            prep.setString(1, comment.getCommentTitle());
            prep.setString(2, comment.getCommentBody());
            prep.setLong(3, comment.getStudentId());
            prep.setInt(4, comment.getPostId());

            prep.executeUpdate();

        }   catch (SQLException e){
                e.printStackTrace();
        }   finally {
                JDBCConnectionFactory.closeConnection(con);
        }
    }